Question

1.The following table shows the results of a survey of 400 authors by a publishing company.

	New Authors	Established Authors	Total
Successful	40	96	136
Unsuccessful	64	200	264
Total	104	296	400

Compute the relative frequency of the given event if an author as specified is chosen at random.

An author is established and successful.

1

–/1

0/5

Total

–/1

2. The following table shows the results of a survey of 200 authors by a publishing company.

	New Authors	Established Authors	Total
Successful	20	46	66
Unsuccessful	34	100	134
Total	54	146	200

Compute the relative frequency of the given event if an author as specified is chosen at random.

An author is unsuccessful and new.

Answer 1

New 136 Sucester) I Sol Given data Established Author Author 40 96 unsuccesso 64 Total 109 296 400 we want to compute the relatie frequency of the given event 200 264 An author is established and successful Total their are 400 Authors from this d6 authors are established and successful so relative frequency is given 96 o 400 25 is established and frequ so An successful author relative 25 IN

2) Given that There are total 200 authors from which 134 authors are unsucessful and new So gelative frequency of an author is unsuccessful and news 34 200 10.o

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